Waste disposal unit



FIG. 1 is a perspective view of a waste disposal unit embodying the invention;

FIG. 2 is a cross-sectional view taken along line 2--2 of FIG. 1;

FIG. 3 is a cross-sectional view taken along line 3--3 of FIG. 1; and,

FIG. 4 is an end and bottom perspective view of the waste disposal unit embodying the invention. 

The ornamental design for an waste disposal unit, as shown and described. 